Table 2.
The quality assessment of individual study obtained according to the CAMARADES checklist items [39, 44].
| References | Criteria | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| I | II | III | IV | V | VI | VII | VIII | IX | X | Total (of 10) | |
| Mehrabi et al. [40] | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 9 |
| Zhao et al. [41] | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 9 |
| Bibi et al. [43] | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 5 |
| Sánchez-Elexpuru et al. [42] | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 5 |
| Azeez [45] | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | 1 | 8 |
| Yang et al. [46] | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | 1 | 8 |
| Stone et al. [47] | 1 | 1 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | 6 |
| Berthier et al. [48] | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 8 |
| Chen et al. [49] | 1 | 1 | 0 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 8 |
| Hussein et al. [50] | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 8 |
| Rubio Osornio et al. [51] | 1 | 1 | 0 | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 7 |
| Mean quality scores | 7.36 ± 0.43 (5 to 9) | ||||||||||
(I) Publication in peer-reviewed journal, (II) number of experimental and control groups, (III) housing and husbandry conditions, (IV) details of intervention/exposure group procedures, (V) random allocation to groups, (VI) concealment of allocation, (VII) blinded assessment of outcomes, (VIII) biochemical evaluations, (IX) histopathological evaluations, and (X) statistical analysis. 1: criterion is satisfied, 0: the criterion is insufficiently described or not explained at all; the mean quality score is expressed as mean ± standard error of the mean (SEM) and (minimum and maximum score).